<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        class Person {
            constructor(name, age) {
                this.name = name
                this.age = age
            }
            running() {
                console.log(this.name + '在跑步');
            }
            eating() {
                console.log(this.name + '再吃东西');
            }
            static getJson() {
                return { name: this.name, age: this.age }
            }
            get json() {
                return Object.fromEntries(Object.entries(this))
            }
        }

        class Student extends Person {
            constructor(name, age, sno) {
                super(name, age)
                this.sno = sno
            }      
            static getJson() {
                super.getJson()
                return { name: this.name, age: this.age }
            }      
        }
        var s1 = new Student('lyy', 19, 200)
        console.log(s1);


        // "use strict";
        // function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

        // function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }

        // function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

        // function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

        // function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

        // function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

        // function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () { })); return true; } catch (e) { return false; } }

        // function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

        // function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        // function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

        // function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

        // var Person = /*#__PURE__*/function () {
        //     function Person(name, age) {
        //         _classCallCheck(this, Person);

        //         this.name = name;
        //         this.age = age;
        //     }

        //     _createClass(Person, [{
        //         key: "running",
        //         value: function running() {
        //             console.log(this.name + '在跑步');
        //         }
        //     }, {
        //         key: "eating",
        //         value: function eating() {
        //             console.log(this.name + '在吃东西');
        //         }
        //     }]);

        //     return Person;
        // }();

        // var Student = /*#__PURE__*/function (_Person) {
        //     _inherits(Student, _Person);

        //     var _super = _createSuper(Student);

        //     function Student(name, age, sno) {
        //         var _this;

        //         _classCallCheck(this, Student);

        //         _this = _super.call(this, name, age);
        //         _this.sno = sno;
        //         return _this;
        //     }

        //     return _createClass(Student);
        // }(Person);

        // var s1 = new Student('lyy', 19);
        // s1.running();
    </script>
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